function on(path, id) { swap(id, path + id + "_over.gif"); }
function off(path, id) { swap(id, path + id + ".jpg"); }

function swap(id, src)
{
	if (document.getElementById) {
		document.getElementById(id).src = src;
	} else if (document.all) {
		document.all[id].src = src;
	} else {
		eval(id + ".src = '" + src + "'");
	}
}
function checkFeedbackForm(form)
{
	
	if (form.xname.value == ""){
		alert('Please Enter Your Name');
		return false;
	}
	
	if (form.email.value == ""){
		alert('Please a valid e-mail address');
		return false;
	}
	
	if (form.email.value != form.email2.value){
		alert('E-mail Addresses do not match, please try again');
		return false;
	}
	
	return true;
}
function checkRequired(f)
{

	var err = "";

	var fields = f.elements["required"].value;
	var names = f.elements["required_names"].value;

	fields = fields.split(",");
	names = names.split(",");

	var u = fields.length;

	for (var c = 0; c < u; c++) {

		var e = f.elements[fields[c]];

//		switch (e.type) {
//			case default:
				if (e.value == "") { err += "\n - " + names[c] + " is required"; }
//				break;
//		}

	}

	if (err != "") {
		alert("To continue, please check the following:\n" + err);
		return false;
	} else {
		return true;
	}

}